
Table of Contents  5/14/2020     HDD, MANUAL 
Table of Contents  Copyright 2019 Vestil Manufacturing Co.     1 of 25 
 
 
 
 
 
 
 
 
 
                    
 
 
 
HDD-Series Hydraulic Drum Dumpers 
    Instruction Manual  
 
 
            
                                     
Receiving Instructions  
  After delivery, remove the packaging from the product. Inspect the product closely to determine whether it sustained 
damage during transport. If damage is discovered, record a complete description of it on the bill of lading. If the product is 
undamaged, discard the packaging. 
 
NOTE:  The end-user  is solely responsible for confirming that product design, use, and maintenance comply with laws, 
regulations, codes, and mandatory standards applied where the product is used. 
 
Technical Service & Replacement Parts  
  For answers to questions not addressed in these instructions and to order replacement parts, labels, and accessories, 
call our Technical Service and Parts Department at (260) 665-7586. The department can also be contacted online at 
http://www.vestilmfg.com/parts_info.htm
. 
 
Electronic copies of Instruction Manuals 
  Additional copies of this instruction manual may be downloaded from https://www.vestil.com/page-manuals.php
. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Table of Contents  Table of Figures 
Specifications………...…………… 2 - 3     FIG. 1: HDD-36-S exploded view………….………………..…... 5 
Signal Words……….……………... 4  FIG. 2: HDD-48-S exploded view……………………………...… 5 
Safety Instructions………………... 4  FIG. 3: HDD-60-S exploded view……………………………...… 6 
Applying Floor Locks…………….. 4  FIG. 4: HDD-72-S exploded view…………………………...…… 6 
Installation…………….…………... 11  FIG. 5: HDD-36-P exploded view…………...….…………….…   7 
Loading the Dumper……………… 11  FIG. 6: HDD-48-P exploded view………………........................ 8 
Record of Satisfactory Condition.. 11  FIG. 7: HDD-60-P exploded view………………........................ 9 
Inspections………………………… 11 - 12  FIG. 8: HDD-72-S exploded view………….……….................... 10 
*Power Unit Operation…...…........ 12 - 13  FIG. 9: Hydraulic Circuit Diagram………………….................... 13 
Troubleshooting………………...… 23  *FIGS. 10A-10F: Electrical Circuit Diagrams………………14 - 19 
Labeling Diagram…….…………… 24  *FIG. 11: Motor Lead Diagrams & Transformer Diagram…….. 20
  
Limited Warranty………………….. 25    *FIGS. 12A-12B: Modular Power Unit Parts Diagram…….21 - 22 
 
 *NOTE:  Figures 10A –  12B are views of the modular power unit. These diagrams only apply to units 
manufactured before 12-01-2018. Units manufactured on or after 12-01-2018 receive a redesigned modular 
power unit (MPU GEN2). Diagrams and operating instructions for GEN2 power units are provided in separate 
Vestil Manufacturing Corp. 
2999 North Wayne Street, P.O. Box 507, Angola, IN 46703 
Telephone: (260) 665-7586  -or-  Toll Free (800) 348-0868 
Fax: (260) 665-1339 
Web: www.vestilmfg.com      e-mail: info@vestil.com